Everyday Science

Waste Management & Recycling MCQs with Answer

The process of converting waste materials into new materials and objects is called:
A) Incineration
B) Recycling
C) Landfilling
D) Composting

Answer
B) Recycling

Which of the following waste disposal methods has the least environmental impact?
A) Landfilling
B) Open dumping
C) Recycling
D) Incineration

Answer
C) Recycling

Which type of waste is biodegradable?
A) Plastic bottles
B) Glass
C) Food scraps
D) Aluminum cans

Answer
C) Food scraps

Which of the following is an example of e-waste?
A) Used paper
B) Old mobile phones
C) Plastic bags
D) Glass bottles

Answer
B) Old mobile phones

Which waste management method involves decomposing organic matter into nutrient-rich soil?
A) Incineration
B) Landfilling
C) Composting
D) Recycling

Answer
C) Composting

What is the main advantage of recycling?
A) Increases pollution
B) Saves energy and resources
C) Increases landfill waste
D) Requires more raw materials

Answer
B) Saves energy and resources

Which of the following materials is non-recyclable?
A) Paper
B) Plastic
C) Glass
D) Contaminated food wrappers

Answer
D) Contaminated food wrappers

Which of these is NOT a waste management technique?
A) Recycling
B) Composting
C) Incineration
D) Deforestation

Answer
D) Deforestation

What is the term for waste that can decompose naturally?
A) Non-biodegradable
B) E-waste
C) Hazardous waste
D) Biodegradable waste

Answer
D) Biodegradable waste

Which waste disposal method involves burning waste at high temperatures?
A) Recycling
B) Landfilling
C) Incineration
D) Composting

Answer
C) Incineration

What does the three Rs in waste management stand for?
A) Reduce, Reuse, Recycle
B) Recycle, Replace, Reduce
C) Reduce, Recycle, Recover
D) Reuse, Recycle, Replace

Answer
A) Reduce, Reuse, Recycle

Which of these is considered hazardous waste?
A) Glass bottles
B) Used batteries
C) Paper waste
D) Food waste

Answer
B) Used batteries

What is the main environmental problem caused by plastic waste?
A) Deforestation
B) Water and soil pollution
C) Increase in oxygen levels
D) Faster decomposition

Answer
B) Water and soil pollution

What is the main purpose of a landfill?
A) Store recyclable materials
B) Burn waste materials
C) Dispose of solid waste safely
D) Generate electricity

Answer
C) Dispose of solid waste safely

Which type of recycling involves breaking materials down to create new raw materials?
A) Upcycling
B) Downcycling
C) Mechanical recycling
D) Chemical recycling

Answer
D) Chemical recycling

Which of the following materials takes the longest to decompose?
A) Paper
B) Plastic
C) Wood
D) Food scraps

Answer
B) Plastic

Which of these can be composted?
A) Glass
B) Metal
C) Fruit peels
D) Plastic bags

Answer
C) Fruit peels

Which of the following is an advantage of waste segregation?
A) Increases landfill waste
B) Reduces recycling efficiency
C) Helps in better recycling and disposal
D) Increases water pollution

Answer
C) Helps in better recycling and disposal

Which of these contributes most to marine pollution?
A) Electronic waste
B) Plastic waste
C) Metal waste
D) Paper waste

Answer
B) Plastic waste

Which gas is commonly produced in landfills due to waste decomposition?
A) Oxygen
B) Carbon dioxide
C) Methane
D) Hydrogen

Answer
C) Methane

Which organization promotes global waste management initiatives?
A) NASA
B) WHO
C) UNEP
D) IMF

Answer
C) UNEP

What is the primary concern of improper electronic waste disposal?
A) Soil erosion
B) Toxic chemical contamination
C) Increased oxygen levels
D) Wildlife protection

Answer
B) Toxic chemical contamination

Which country is known for its advanced waste recycling system?
A) USA
B) Sweden
C) Brazil
D) India

Answer
B) Sweden

What is the best way to reduce waste production?
A) Use disposable items
B) Practice the three Rs (Reduce, Reuse, Recycle)
C) Burn all waste materials
D) Dump waste in water bodies

Answer
B) Practice the three Rs (Reduce, Reuse, Recycle)

Which material is most commonly recycled worldwide?
A) Wood
B) Paper
C) Rubber
D) Cloth

Answer
B) Paper

Which type of plastic waste is most difficult to recycle?
A) PET bottles
B) Styrofoam
C) HDPE plastic
D) PVC pipes

Answer
B) Styrofoam

Which method is most effective for managing organic waste?
A) Landfilling
B) Incineration
C) Composting
D) Chemical treatment

Answer
C) Composting

What is the biggest challenge in waste management in urban areas?
A) Lack of waste
B) High waste generation and improper disposal
C) Too many recycling centers
D) Low pollution levels

Answer
B) High waste generation and improper disposal

Which of the following is a benefit of waste-to-energy plants?
A) Increases landfill waste
B) Converts waste into renewable energy
C) Increases water pollution
D) Slows down waste decomposition

Answer
B) Converts waste into renewable energy

What is the best way to manage non-recyclable waste?
A) Reuse
B) Open burning
C) Proper disposal and waste reduction
D) Dumping in rivers

Answer
C) Proper disposal and waste reduction

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